The purplish shells of quahogs, treasured in the past by Native Americans, now appear alongside gold, mother-of-pearl and onyx. By Jill Newman For centuries Native Americans treasured quahog shells, ...

It’s my second day at the Tucson Gem Show and I’m standing in front of the Expo Center, examining the fossilized shell of the world’s largest giant killer clam. It’s gray-white and smooth, with a lip ...

Designers from Glenn Spiro to Silvia Furmanovich are turning shells into fine jewelry. By Jill Newman On a recent vacation in Careyes, Mexico, Sara Beltrán scoured the beach looking for beautiful ...

In light of recent discussions about the possibility of hima (giant clam shell) being listed as an endangered species by the U.S. federal government and how this might impact those who carve and ...